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Python Programming

Submitted by Roy Schestowitz on Thursday 22nd of October 2020 09:31:21 PM Filed under
Development
  • Webinar Recording: “virtualenv – a deep dive” with Bernat Gabor – PyCharm Blog | JetBrains

    PyCharm virtual environments are an important but challenging topic. We recently hosted Bernat Gabor to discuss this, as well as his rewrite of virtualenv, the hugely-popular command-line tool for creating virtual environment. The recording is now available.

    This was a very engaging webinar, with lots of questions, and many thanks to Bernat for taking the time to give thoughtful replies.

  • Python Morsels: The 2 Types of "Change" in Python

    The word "change" is ambiguous in Python: we have two distinct types of "change" in Python.

    We can "change" a variable by changing which object that variable is pointing to. We do that through an assignment statement.

    We can also "change" an actual object through a mutation.

    Let's take a look at both types of change.

  • Python: Slice Notation on String

    The term slicing in programming usually refers to obtaining a substring, sub-tuple, or sublist from a string, tuple, or list respectively.

    Python offers an array of straightforward ways to slice not only these three but any iterable. An iterable is, as the name suggests, any object that can be iterated over.

    In this article, we'll go over everything you need to know about Slicing Strings in Python.

  • R vs Python for Data Analysis — An Objective Comparison

    There are dozens articles out there that compare R vs. Python from a subjective, opinion-based perspective. Both Python and R are great options for data analysis, or any work in the data science field.

    But if your goal is to figure out which language is right for you, reading the opinion of someone else may not be helpful. One person's "easy" is another person's "hard," and vice versa.

    In this article, we're going to do something different. We'll take an objective look at how both languages handle everyday data science tasks so that you can look at them side-by-side, and see which one looks better for you.

    Keep in mind, you don't need to actually understand all of this code to make a judgment here! We'll give you R vs Python code snippets for each task — simply scan through the code and consider which one seems more "readable" to you. Read the explanations, and see if one language holds more appeal than the other.

»

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today's howtos

  • How to install go1.19beta on Ubuntu 22.04 – NextGenTips

    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

  • molecule test: failed to connect to bus in systemd container - openQA bites

    Ansible Molecule is a project to help you test your ansible roles. I’m using molecule for automatically testing the ansible roles of geekoops.

  • How To Install MongoDB on AlmaLinux 9 - idroot

    In this tutorial, we will show you how to install MongoDB on AlmaLinux 9. For those of you who didn’t know, MongoDB is a high-performance, highly scalable document-oriented NoSQL database. Unlike in SQL databases where data is stored in rows and columns inside tables, in MongoDB, data is structured in JSON-like format inside records which are referred to as documents. The open-source attribute of MongoDB as a database software makes it an ideal candidate for almost any database-related project. This article assumes you have at least basic knowledge of Linux, know how to use the shell, and most importantly, you host your site on your own VPS. The installation is quite simple and assumes you are running in the root account, if not you may need to add ‘sudo‘ to the commands to get root privileges. I will show you the step-by-step installation of the MongoDB NoSQL database on AlmaLinux 9. You can follow the same instructions for CentOS and Rocky Linux.

  • An introduction (and how-to) to Plugin Loader for the Steam Deck. - Invidious
  • Self-host a Ghost Blog With Traefik

    Ghost is a very popular open-source content management system. Started as an alternative to WordPress and it went on to become an alternative to Substack by focusing on membership and newsletter. The creators of Ghost offer managed Pro hosting but it may not fit everyone's budget. Alternatively, you can self-host it on your own cloud servers. On Linux handbook, we already have a guide on deploying Ghost with Docker in a reverse proxy setup. Instead of Ngnix reverse proxy, you can also use another software called Traefik with Docker. It is a popular open-source cloud-native application proxy, API Gateway, Edge-router, and more. I use Traefik to secure my websites using an SSL certificate obtained from Let's Encrypt. Once deployed, Traefik can automatically manage your certificates and their renewals. In this tutorial, I'll share the necessary steps for deploying a Ghost blog with Docker and Traefik.

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